CN114295693A - Harmful gas concentration monitoring system, method and server - Google Patents
Harmful gas concentration monitoring system, method and server Download PDFInfo
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- CN114295693A CN114295693A CN202111441660.XA CN202111441660A CN114295693A CN 114295693 A CN114295693 A CN 114295693A CN 202111441660 A CN202111441660 A CN 202111441660A CN 114295693 A CN114295693 A CN 114295693A
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Abstract
The application provides a harmful gas concentration monitoring system, method and server, and the system includes: the system comprises a harmful gas sensor, a signal acquisition module, a digital-to-analog conversion module and a BMC module; the signal acquisition module is used for acquiring voltage signals of the harmful gas sensor currently located in the monitoring area in real time and sending the acquired voltage signals to the digital-to-analog conversion module; the digital-to-analog conversion module is used for converting the voltage signal into a corresponding digital signal so as to obtain voltage data of the harmful gas sensor and sending the voltage data to the BMC module; the BMC module is used for determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data and generating a corresponding real-time monitoring log. The real-time monitoring log records the change condition of the concentration of the harmful gas in the monitoring area, and lays a foundation for improving the control efficiency of the harmful gas.
Description
Technical Field
The application relates to the technical field of environmental monitoring, in particular to a harmful gas concentration monitoring system, a harmful gas concentration monitoring method and a server.
Background
With the development of the internet of things industry, various types of servers are widely applied and are deployed in various application environments, and in order to meet various demand scenes, the servers may also be deployed in environments with complex air components, such as medical care places, special industrial workshops and the like. For such an environment with complicated air components, it is particularly important to monitor the concentration of harmful gases.
In the prior art, a harmful gas alarm, such as an acetone gas alarm, is usually set in the environment, and when the concentration of the monitored harmful gas reaches a preset threshold value, an alarm signal is sent out. However, such a harmful gas alarm generally can only send out an alarm signal in the form of a warning sound or a warning light, and cannot monitor the change of the concentration of the harmful gas in the current environment in real time.
Disclosure of Invention
The application provides a harmful gas concentration monitoring system, a harmful gas concentration monitoring method and a server, and aims to overcome the defects that the prior art cannot monitor the change of the harmful gas concentration in the current environment in real time and the like.
The present application provides in a first aspect a harmful gas concentration monitoring system including: a harmful gas sensor, a signal acquisition module, a digital-to-analog conversion module and a BMC (Baseboard Management Controller) module;
the signal acquisition module is used for acquiring voltage signals of the harmful gas sensor currently located in the monitoring area in real time and sending the acquired voltage signals to the digital-to-analog conversion module;
the digital-to-analog conversion module is used for converting the voltage signal into a corresponding digital signal so as to obtain voltage data of the harmful gas sensor and sending the voltage data to the BMC module;
the BMC module is used for determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data and generating a corresponding real-time monitoring log.
Optionally, the harmful gas sensor includes a harmful gas sensing device and a load resistor connected in series, and the harmful gas sensor is configured to:
determining the load voltage of the harmful gas sensor according to the resistance of the harmful gas sensor, the load resistance and the current total voltage in series connection; wherein the voltage signal of the harmful gas sensor is indicative of a load voltage of the harmful gas sensor.
Optionally, the harmful gas sensor is further configured to:
and determining the resistance of the harmful gas sensing device according to the series current, the total series voltage and the load voltage of a series circuit formed by the harmful gas sensing device and the load resistance.
Optionally, the digital-to-analog conversion module includes an a/D converter, an I2C bus (Inter-Integrated Circuit, two-wire serial bus) is disposed between the a/D converter and the BMC module, and the digital-to-analog conversion module is specifically configured to:
and transmitting a digital signal corresponding to the voltage signal of the harmful gas sensor converted by the A/D converter to the BMC module based on the I2C bus.
Optionally, the BMC module is specifically configured to:
analyzing voltage change information of the harmful gas sensor in a preset monitoring period according to voltage information of the harmful gas sensor represented by the voltage data received in the monitoring period;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage change information.
Optionally, the BMC module is specifically configured to:
determining the concentration of harmful gas in the current monitoring area according to the voltage information of the harmful gas sensor represented by the currently received voltage data;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the magnitude relation between the harmful gas concentration of the current monitoring area and a preset concentration threshold value.
Optionally, the BMC module is further configured to:
and when the monitoring result of the concentration of the harmful gas in the current monitoring area is abnormal, generating abnormal alarm information of the concentration of the harmful gas.
In a second aspect of the present application, there is provided a harmful gas concentration monitoring method, including:
acquiring voltage signals of harmful gas sensors currently located in a monitoring area in real time;
converting the voltage signal into a corresponding digital signal to obtain voltage data of the harmful gas sensor;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage data, and generating a corresponding real-time monitoring log.
Optionally, the harmful gas sensor includes a harmful gas sensing device and a load resistor connected in series, and the method further includes:
determining the load voltage of the harmful gas sensor according to the resistance of the harmful gas sensor, the load resistance and the current total voltage in series connection; wherein the voltage signal of the harmful gas sensor is indicative of a load voltage of the harmful gas sensor.
Optionally, the method further includes:
and determining the resistance of the harmful gas sensing device according to the series current, the total series voltage and the load voltage of a series circuit formed by the harmful gas sensing device and the load resistance.
Optionally, the determining, according to the voltage data, a harmful gas concentration monitoring result of the current monitoring area includes:
analyzing voltage change information of the harmful gas sensor in a preset monitoring period according to voltage information of the harmful gas sensor represented by the voltage data received in the monitoring period;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage change information.
Optionally, the determining, according to the voltage data, a harmful gas concentration monitoring result of the current monitoring area includes:
determining the concentration of harmful gas in the current monitoring area according to the voltage information of the harmful gas sensor represented by the currently received voltage data;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the magnitude relation between the harmful gas concentration of the current monitoring area and a preset concentration threshold value.
Optionally, the method is further configured to:
and when the monitoring result of the concentration of the harmful gas in the current monitoring area is abnormal, generating abnormal alarm information of the concentration of the harmful gas.
A third aspect of the present application provides a server comprising: the harmful gas concentration monitoring system according to the first aspect and various possible designs of the first aspect.
Optionally, the method further includes: an exhaust fan;
and a harmful gas sensor in the harmful gas concentration monitoring system is positioned at an air outlet of the exhaust fan.
This application technical scheme has following advantage:
the application provides a harmful gas concentration monitoring system, method and server, and the system includes: the system comprises a harmful gas sensor, a signal acquisition module, a digital-to-analog conversion module and a BMC module; the signal acquisition module is used for acquiring voltage signals of the harmful gas sensor currently located in the monitoring area in real time and sending the acquired voltage signals to the digital-to-analog conversion module; the digital-to-analog conversion module is used for converting the voltage signal into a corresponding digital signal so as to obtain voltage data of the harmful gas sensor and sending the voltage data to the BMC module; the BMC module is used for determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data and generating a corresponding real-time monitoring log. According to the system provided by the scheme, the voltage signals of the harmful gas sensors deployed in the monitoring area are collected in real time, the harmful gas concentration monitoring result of the current monitoring area is further determined according to the voltage data corresponding to the voltage signals collected in real time, the real-time monitoring log is generated for the monitoring area, the change condition of the harmful gas concentration of the monitoring area is recorded by the real-time monitoring log, and a foundation is laid for improving the harmful gas control efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic interaction flow diagram of a harmful gas concentration monitoring system according to an embodiment of the present disclosure;
fig. 2 is a schematic circuit diagram of a harmful gas sensor according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a harmful gas concentration monitoring system according to an embodiment of the present disclosure;
fig. 4 is a schematic flow chart of a harmful gas concentration monitoring method according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a server according to an embodiment of the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the following examples, "plurality" means two or more unless specifically limited otherwise.
In the prior art, a harmful gas alarm, such as an acetone gas alarm, is usually set in an environment, and when the concentration of the monitored harmful gas reaches a preset threshold, an alarm signal is sent out. However, such a harmful gas alarm generally can only send out an alarm signal in the form of a warning sound or a warning light, and cannot monitor the change of the concentration of the harmful gas in the current environment in real time. In addition, the conventional harmful gas alarm does not have the functions of state recording and data processing, the gas state of a monitoring point cannot be read remotely under many conditions, the security protection work has higher pressure, and people who work in life in the scene have the risk of life health.
In view of the above problems, the system, the method and the server for monitoring the concentration of harmful gas provided by the embodiment of the present application include: the system comprises a harmful gas sensor, a signal acquisition module, a digital-to-analog conversion module and a BMC module; the signal acquisition module is used for acquiring voltage signals of the harmful gas sensor currently located in the monitoring area in real time and sending the acquired voltage signals to the digital-to-analog conversion module; the digital-to-analog conversion module is used for converting the voltage signal into a corresponding digital signal so as to obtain voltage data of the harmful gas sensor and sending the voltage data to the BMC module; the BMC module is used for determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data and generating a corresponding real-time monitoring log. According to the system provided by the scheme, the voltage signals of the harmful gas sensors deployed in the monitoring area are collected in real time, the harmful gas concentration monitoring result of the current monitoring area is further determined according to the voltage data corresponding to the voltage signals collected in real time, the real-time monitoring log is generated for the monitoring area, the change condition of the harmful gas concentration of the monitoring area is recorded by the real-time monitoring log, and a foundation is laid for improving the harmful gas control efficiency.
The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
The embodiment of the application provides a harmful gas concentration monitoring system for monitor the harmful gas concentration in the monitoring area of predetermineeing.
As shown in fig. 1, an interactive flow diagram of a harmful gas concentration monitoring system provided in an embodiment of the present application is shown, where the system includes: the device comprises a harmful gas sensor, a signal acquisition module, a digital-to-analog conversion module and a BMC module.
The signal acquisition module is used for acquiring voltage signals of the harmful gas sensor currently located in the monitoring area in real time and sending the acquired voltage signals to the digital-to-analog conversion module; the digital-to-analog conversion module is used for converting the voltage signal into a corresponding digital signal so as to obtain voltage data of the harmful gas sensor and sending the voltage data to the BMC module; the BMC module is used for determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data and generating a corresponding real-time monitoring log.
Specifically, the signal acquisition module may acquire the voltage signal of the harmful gas sensor currently located in the monitoring area according to a preset signal acquisition period, for example, acquire the voltage signal once every one second. And then, converting the voltage signals acquired by the signal acquisition module into corresponding digital signals by using a digital-to-analog conversion module, wherein the digital signals are the voltage data of the harmful gas sensor. And finally, performing data analysis on the current voltage data by the BMC module to determine a harmful gas concentration monitoring result of the current monitoring area, and writing the obtained harmful gas concentration monitoring result and the corresponding voltage data into a real-time monitoring log of the monitoring area in a correlated manner so as to record the change condition of the harmful gas concentration of the monitoring area in the real-time monitoring log. The harmful gas concentration monitoring result comprises a monitoring timestamp, a harmful gas concentration value and a corresponding normal/abnormal judgment result.
The harmful gas includes acetone, methanol, carbon monoxide and the like, and correspondingly, the harmful gas sensor can be an acetone sensor, a methanol sensor, a carbon monoxide sensor and the like.
Specifically, in an embodiment, as shown in fig. 2, a schematic circuit structure diagram of a harmful gas sensor provided in the embodiments of the present application is provided, where the harmful gas sensor includes a harmful gas sensing device and a load resistor connected in series, and the harmful gas sensor may determine a load voltage of the harmful gas sensor according to a resistance of the harmful gas sensing device, the load resistor, and a current total voltage in series.
Wherein the voltage signal of the harmful gas sensor represents the harmful gasLoad voltage of the gas sensor. V in FIG. 2HHeating the filament voltage V for the harmful gas sensing deviceRLIs the load voltage, RSIs the resistance of a harmful gas sensing device, RLIs a load resistance, VCIs the total voltage in series.
Specifically, the load voltage R of the harmful gas sensor can be estimated based on the following formulaL：
VRL＝VC×RL/(RS+RL)
Accordingly, in one embodiment, since the resistance of the harmful gas sensor device is affected by the gas environment, the harmful gas sensor is calculating the load voltage R of the harmful gas sensorLPreviously, the resistance of the harmful gas sensing device may be determined based on the series current, the total voltage in series, and the load voltage of the series circuit formed by the harmful gas sensing device and the load resistance.
Specifically, the resistance R of the harmful gas sensing device can be estimated according to the following formulaS：
IC＝VC/(RS+RL)
Wherein the series current I in the above formulaCAnd total voltage V in seriesCThe acquisition can be performed based on preset current sensors, voltage sensors and other devices, and the specific acquisition mode is not limited in the embodiment of the application.
On the basis of the foregoing embodiment, in order to ensure the safety and stability of the harmful gas concentration monitoring system, as shown in fig. 3, which is a schematic structural diagram of the harmful gas concentration monitoring system provided in the embodiment of the present application, as an implementable manner, on the basis of the foregoing embodiment, in an embodiment, the digital-to-analog conversion module includes an a/D converter, an I2C bus is disposed between the a/D converter and the BMC module, and the digital-to-analog conversion module can transmit a digital signal corresponding to the voltage signal of the harmful gas sensor converted by the a/D converter to the BMC module based on the I2C bus.
It should be noted that the I2C bus may be online detected through an external connection line, which is convenient for system fault diagnosis and debugging, the fault may be addressed immediately, and the development period is short, so that the deployment efficiency of the harmful gas concentration monitoring system may be improved while the safety and stability of the harmful gas concentration monitoring system are ensured.
On the basis of the above embodiment, as an implementable manner, in an embodiment, the BMC module may specifically analyze voltage change information of the harmful gas sensor in a monitoring period according to voltage information of the harmful gas sensor represented by voltage data received in a preset monitoring period; and determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage change information.
For example, when the signal acquisition period of the signal acquisition module is 1 second, the preset monitoring period of the BMC module may be set to 60 seconds, that is, the preset monitoring period of the BMC module includes a plurality of signal acquisition periods.
Specifically, the BMC module may determine harmful gas concentration change information of the monitoring area in the monitoring period according to voltage change information of the harmful gas sensor in the monitoring period, and then determine a harmful gas concentration monitoring result of the current monitoring area according to a change trend represented by the harmful gas concentration change information. If the variation trend (concentration variation rate) of the harmful gas concentration in the monitored area exceeds 0.6ppm/s, determining that the harmful gas concentration monitoring result in the current monitored area is abnormal.
Similarly, in an embodiment, the BMC module may specifically determine the harmful gas concentration in the current monitoring area according to the voltage information of the harmful gas sensor represented by the currently received voltage data; and determining a harmful gas concentration monitoring result of the current monitoring area according to the magnitude relation between the harmful gas concentration of the current monitoring area and a preset concentration threshold value.
Specifically, the correspondence between the load voltage of the harmful gas sensor and the concentration of the harmful gas may be determined according to the attribute information of the currently employed harmful gas sensor. And then determining the concentration of the harmful gas in the current monitoring area according to the current voltage information of the harmful gas sensor based on the corresponding relation. And finally, determining a harmful gas concentration monitoring result of the current monitoring area by judging whether the harmful gas concentration of the current monitoring area exceeds a preset concentration threshold value. When the concentration of the harmful gas in the current monitoring area exceeds a preset concentration threshold value, determining that the monitoring result of the concentration of the harmful gas in the current monitoring area is abnormal, otherwise, determining that the monitoring result of the concentration of the harmful gas in the current monitoring area is normal.
Further, in an embodiment, the BMC module may further generate an abnormal harmful gas concentration alarm message when the monitoring result of the harmful gas concentration in the current monitoring area is abnormal.
Specifically, when the monitoring result of the harmful gas concentration in the current monitoring area is abnormal, the BMC module generates corresponding abnormal alarm information of the harmful gas concentration and sends the abnormal alarm information to the alarm device, wherein the alarm device may be a warning lamp, a warning bell, a human-computer interaction device, or the like.
The harmful gas concentration monitoring system that this application embodiment provided includes: the system comprises a harmful gas sensor, a signal acquisition module, a digital-to-analog conversion module and a BMC module; the signal acquisition module is used for acquiring voltage signals of the harmful gas sensor currently located in the monitoring area in real time and sending the acquired voltage signals to the digital-to-analog conversion module; the digital-to-analog conversion module is used for converting the voltage signal into a corresponding digital signal so as to obtain voltage data of the harmful gas sensor and sending the voltage data to the BMC module; the BMC module is used for determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data and generating a corresponding real-time monitoring log. According to the system provided by the scheme, the voltage signals of the harmful gas sensors deployed in the monitoring area are collected in real time, the harmful gas concentration monitoring result of the current monitoring area is further determined according to the voltage data corresponding to the voltage signals collected in real time, the real-time monitoring log is generated for the monitoring area, the change condition of the harmful gas concentration of the monitoring area is recorded by the real-time monitoring log, and a foundation is laid for improving the harmful gas control efficiency. In addition, the I2C bus is adopted to carry out data communication in the system, so that the safety and the stability of the system are further ensured, and a foundation is laid for shortening the development period of the system.
The embodiment of the application provides a method for monitoring the concentration of harmful gas, which is an application method of the system for monitoring the concentration of harmful gas provided by the embodiment, and an execution main body is the system for monitoring the concentration of harmful gas provided by the embodiment.
As shown in fig. 4, a schematic flow chart of a harmful gas concentration monitoring method provided in an embodiment of the present application is shown, where the method includes:
and 403, determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage data, and generating a corresponding real-time monitoring log.
Specifically, in one embodiment, the harmful gas sensor includes a harmful gas sensing device and a load resistor connected in series, and the method further includes:
determining the load voltage of the harmful gas sensor according to the resistance, the load resistance and the current series total voltage of the harmful gas sensor; wherein, the voltage signal of the harmful gas sensor represents the load voltage of the harmful gas sensor.
Specifically, in an embodiment, the method further includes:
and determining the resistance of the harmful gas sensing device according to the series current, the total series voltage and the load voltage of a series circuit formed by the harmful gas sensing device and the load resistance.
Specifically, in an embodiment, determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data includes:
analyzing voltage change information of the harmful gas sensor in a monitoring period according to voltage information of the harmful gas sensor represented by voltage data received in the preset monitoring period;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage change information.
Specifically, in an embodiment, determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data includes:
determining the concentration of harmful gas in the current monitoring area according to the voltage information of the harmful gas sensor represented by the current received voltage data;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the magnitude relation between the harmful gas concentration of the current monitoring area and a preset concentration threshold value.
Specifically, in one embodiment, the method is further configured to:
and when the monitoring result of the concentration of the harmful gas in the current monitoring area is abnormal, generating abnormal alarm information of the concentration of the harmful gas.
With regard to the method for monitoring the concentration of harmful gas in the present embodiment, the detailed implementation of each step has been described in detail in the embodiment related to the system, and will not be described in detail here.
The method for monitoring the concentration of the harmful gas provided by the embodiment of the application is the method for applying the system for monitoring the concentration of the harmful gas provided by the embodiment, and the implementation mode and the principle are the same, and are not repeated.
The embodiment of the application provides a server, which is used for deploying the harmful gas concentration monitoring system provided by the embodiment.
Fig. 5 is a schematic structural diagram of a server according to an embodiment of the present application. The server 50 includes the harmful gas concentration monitoring system 51 provided in the above embodiment.
Specifically, in one embodiment, as shown in FIG. 5, the server 50 further includes an exhaust fan 52; a harmful gas sensor 511 in the harmful gas concentration monitoring system is located at the air outlet of the exhaust fan 52.
Exemplarily, the monitoring requirement of the air inlet of the sensor can be met by arranging the harmful gas sensor at the rear end of the fan module (at the air outlet of the exhaust fan).
For better reporting of the abnormal alarm information, the server can further comprise a red-green two-color LED for alarming and field processing. When the monitoring result of the concentration of the harmful gas is normal, the LED and the like are green and normally on; when the monitoring result of the concentration of the harmful gas is abnormal, the BMC module can control the CPLD to drive the LED red light and the ventilation fan under the scene, and alarm and ventilation control are achieved.
For example, the harmful gas sensor used in the embodiments of the present application may be based on α -Fe2O3The acetone gas sensor of the nano-sheet is specifically classified as a indirectly heated tubular gas sensor. The gas-sensitive material is alpha-Fe2O3The nano-sheet has the advantages of good stability, no toxicity, no odor, high sensitivity to acetone gas and the like. The sensitivity, also referred to as the gas response, represents the degree of resistance change of the gas sensor caused when the gas sensor is continuously exposed to different kinds of target gases to be measured or gas environments with varying concentrations. The lower part of the indirectly heated tubular sensor provided by the embodiment of the application is a plastic base, so that the whole indirectly heated tubular sensor is supported, and all wires are insulated; the upper part is a ceramic tube device, and the outer surface of the ceramic tube is coated with alpha-Fe2O3The gas sensitive material covers and is connected with the two gold electrodes, and the Ni-Cr alloy heating wire in the middle of the ceramic tube is heated after being electrified, so that the working temperature of the indirectly heated tubular sensor can be adjusted.
The server provided by the embodiment of the application can be oriented to medical care type places, is applied to large hospital electrical equipment rooms, drug management warehouses, operating room ventilation systems and the like, monitors harmful gases such as acetone and the like in the medical care places, and protects the life health of people; the device is also oriented to factory workshops of special industrial production, is applied to photoetching workshops, cleaning workshops and the like of chip manufacturing enterprises, records concentration changes of harmful gases such as acetone and the like in the monitored environment, carries out alarm processing through an external module, and is of great significance to security and protection systems of industrial production; the server can also be oriented to chemical laboratories of colleges and universities and research institutes, the server or the edge server matched with the harmful gas sensor is very suitable for the requirements of server equipment of an organic chemical analysis data center, and particularly when the server is applied to the edge server, the integrated functional advantages of edge calculation and harmful gas monitoring can be embodied.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above functions may be distributed by different functional modules according to needs, that is, the internal structure of the system is divided into different functional modules to complete all or part of the above described functions.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A harmful gas concentration monitoring system, comprising: the system comprises a harmful gas sensor, a signal acquisition module, a digital-to-analog conversion module and a BMC module;
the signal acquisition module is used for acquiring voltage signals of the harmful gas sensor currently located in the monitoring area in real time and sending the acquired voltage signals to the digital-to-analog conversion module;
the digital-to-analog conversion module is used for converting the voltage signal into a corresponding digital signal so as to obtain voltage data of the harmful gas sensor and sending the voltage data to the BMC module;
the BMC module is used for determining a harmful gas concentration monitoring result of a current monitoring area according to the voltage data and generating a corresponding real-time monitoring log.
2. The system of claim 1, wherein the hazardous gas sensor comprises a hazardous gas sensing device and a load resistor connected in series, the hazardous gas sensor being configured to:
determining the load voltage of the harmful gas sensor according to the resistance of the harmful gas sensor, the load resistance and the current total voltage in series connection; wherein the voltage signal of the harmful gas sensor is indicative of a load voltage of the harmful gas sensor.
3. The system of claim 2, wherein the harmful gas sensor is further configured to:
and determining the resistance of the harmful gas sensing device according to the series current, the total series voltage and the load voltage of a series circuit formed by the harmful gas sensing device and the load resistance.
4. The system of claim 1, wherein the digital-to-analog conversion module comprises an a/D converter, an I2C bus is provided between the a/D converter and the BMC module, and the digital-to-analog conversion module is specifically configured to:
and transmitting a digital signal corresponding to the voltage signal of the harmful gas sensor converted by the A/D converter to the BMC module based on the I2C bus.
5. The system of claim 1, wherein the BMC module is specifically configured to:
analyzing voltage change information of the harmful gas sensor in a preset monitoring period according to voltage information of the harmful gas sensor represented by the voltage data received in the monitoring period;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage change information.
6. The system of claim 1, wherein the BMC module is specifically configured to:
determining the concentration of harmful gas in the current monitoring area according to the voltage information of the harmful gas sensor represented by the currently received voltage data;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the magnitude relation between the harmful gas concentration of the current monitoring area and a preset concentration threshold value.
7. The system of claim 1, wherein the BMC module is further configured to:
and when the monitoring result of the concentration of the harmful gas in the current monitoring area is abnormal, generating abnormal alarm information of the concentration of the harmful gas.
8. A harmful gas concentration monitoring method, characterized by comprising:
acquiring voltage signals of harmful gas sensors currently located in a monitoring area in real time;
converting the voltage signal into a corresponding digital signal to obtain voltage data of the harmful gas sensor;
and determining a harmful gas concentration monitoring result of the current monitoring area according to the voltage data, and generating a corresponding real-time monitoring log.
9. A server, comprising: the harmful gas concentration monitoring system of any one of claims 1 to 7.
10. The server of claim 9, further comprising: an exhaust fan;
and a harmful gas sensor in the harmful gas concentration monitoring system is positioned at an air outlet of the exhaust fan.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2505089A1 (en) * | 1975-02-07 | 1976-08-19 | Battelle Institut E V | Continuous load measurement and recording - is for harmful substances in air at the work station environment of the operator |
| KR20110100361A (en) * | 2010-03-04 | 2011-09-14 | 전자부품연구원 | Noxious gas sensor, method for detection |
| CN102200456A (en) * | 2011-05-25 | 2011-09-28 | 杭州电子科技大学 | System for monitoring toxic and harmful gases in chemical industry park |
| CN108169112A (en) * | 2017-12-25 | 2018-06-15 | 联想(北京)有限公司 | circuit board corrosion monitoring method and device and environmental corrosion monitoring method and device |
| CN109541145A (en) * | 2018-11-30 | 2019-03-29 | 安徽芯核防务装备技术股份有限公司 | A kind of harmful gas concentration detection method and device |
| CN111007115A (en) * | 2019-11-29 | 2020-04-14 | 浪潮商用机器有限公司 | Server and corrosive gas monitoring method, device and system thereof |
| KR20210004037A (en) * | 2019-07-03 | 2021-01-13 | 제이엔케이히터(주) | System for hazardous chemicals release monitoring based on internet of things |
| CN112394143A (en) * | 2020-11-25 | 2021-02-23 | 马鞍山揽月工业设计工作室 | Air environment monitoring system of multisensor |
| CN112710701A (en) * | 2020-12-21 | 2021-04-27 | 深圳市康弘环保技术有限公司 | Air concentration monitoring system and method and air purifier |
| CN113203772A (en) * | 2021-03-18 | 2021-08-03 | 中国外运股份有限公司 | Industrial intelligent composite gas detector and detection method |
| CN113219139A (en) * | 2021-05-25 | 2021-08-06 | 鑫翊(上海)实业有限公司 | Harmful gas detection system, detection method and device |
| CN113358819A (en) * | 2021-05-14 | 2021-09-07 | 苏州珀斯方得电子有限公司 | Gas concentration monitoring device and data acquisition method thereof |
-
2021
- 2021-11-30 CN CN202111441660.XA patent/CN114295693A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2505089A1 (en) * | 1975-02-07 | 1976-08-19 | Battelle Institut E V | Continuous load measurement and recording - is for harmful substances in air at the work station environment of the operator |
| KR20110100361A (en) * | 2010-03-04 | 2011-09-14 | 전자부품연구원 | Noxious gas sensor, method for detection |
| CN102200456A (en) * | 2011-05-25 | 2011-09-28 | 杭州电子科技大学 | System for monitoring toxic and harmful gases in chemical industry park |
| CN108169112A (en) * | 2017-12-25 | 2018-06-15 | 联想(北京)有限公司 | circuit board corrosion monitoring method and device and environmental corrosion monitoring method and device |
| CN109541145A (en) * | 2018-11-30 | 2019-03-29 | 安徽芯核防务装备技术股份有限公司 | A kind of harmful gas concentration detection method and device |
| KR20210004037A (en) * | 2019-07-03 | 2021-01-13 | 제이엔케이히터(주) | System for hazardous chemicals release monitoring based on internet of things |
| CN111007115A (en) * | 2019-11-29 | 2020-04-14 | 浪潮商用机器有限公司 | Server and corrosive gas monitoring method, device and system thereof |
| CN112394143A (en) * | 2020-11-25 | 2021-02-23 | 马鞍山揽月工业设计工作室 | Air environment monitoring system of multisensor |
| CN112710701A (en) * | 2020-12-21 | 2021-04-27 | 深圳市康弘环保技术有限公司 | Air concentration monitoring system and method and air purifier |
| CN113203772A (en) * | 2021-03-18 | 2021-08-03 | 中国外运股份有限公司 | Industrial intelligent composite gas detector and detection method |
| CN113358819A (en) * | 2021-05-14 | 2021-09-07 | 苏州珀斯方得电子有限公司 | Gas concentration monitoring device and data acquisition method thereof |
| CN113219139A (en) * | 2021-05-25 | 2021-08-06 | 鑫翊(上海)实业有限公司 | Harmful gas detection system, detection method and device |
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